Mini Rotary Encoder : Lightweight and Contactless Design

VLP-13

The Netzer VLP-13 Absolute Rotary Encoder is the smallest member of the VLP series, crafted to meet the rising demand for ultra-compact, high-performance motion control solutions. With up to 16-bit resolution and 0.15 Degree accuracy, this ultra-miniature (<7 mm thin, <2g) encoder ensures precise, contactless capacitive sensing for long-term, wear-free reliability in the most space-constrained applications.

As industries strive for smaller, lighter, and more efficient designs, the VLP-13 meets the challenge head-on. Ideal for aerospace, robotics, medical devices, and advanced automation, low-inertia structure enables seamless integration without compromising precision. When miniaturization meets accuracy, the VLP-13 delivers the ultimate rotary feedback solution.

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Features

Maximum Precision Packed into the Smallest Form Factor Achieves exceptional accuracy and reliable position feedback — all within the most compact encoder design on the market.
Superior Immunity to Electromagnetic and Radio Frequency Interference Robust performance against EMI, RFI, and magnetic fields, ensuring signal integrity even in challenging environments.
Ultra-Lightweight, Compact Absolute Encoder Ideal for weight-critical and space-limited applications, delivering high performance without added bulk.
Innovative Central Aperture for Seamless Mechanical Integration Designed with an open-center structure to simplify installation on shafts or assemblies, offering maximum design flexibility.
Ultra-Low Profile (<7 mm) for Space-Saving System Design Engineered for applications where every millimeter matters, supporting next-generation miniaturized solutions.
Designed Long-Term Reliability with MTBF Exceeding 15 Years Built for endurance, reducing maintenance and ensuring consistent operation over extended service life.for extended service life and minimal maintenance

Unique Values

Small Size
Wide mounting
High precision
Scaled Precision

OD

13.5 mm
ID

2.2 mm
Height

7 mm
Weight

2 gr
Resolution

14-16 bit
Accuracy

±0.15˚

Technical Data

Technical Drawing

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General

Angular resolution 12-16 bit
Nominal position accuracy ±0.15°
Maximum operational speed 6,000 rpm
Measurement range Single turn, unlimited
Built In Test BIT Optional
Rotation direction Adjustable CW/CCW (Default same direction from bottom side of the encoder)

Mechanical

Allowable mounting eccentricity ±0.1 mm
Allowable axial mounting tolerance ±0.15 mm / ±0.2 mm using auto calibration
Rotor inertia 15.56 gr · mm²
Total weight 2 gr (including 250mm cable)
Outer Ø /Inner Ø / Height 13.5/ 0 / 7 mm
Nominal air gap (stator, rotor) 0.4 mm
Material (stator / rotor) FR4

Electrical

Supply voltage 5V ±5%
Current consumption ~110 mA
Interconnection Cable (standard 250mm)
Communication SSi / BiSS-C
Output code Binary
Serial output Differential RS-422
Clock frequency 0.1- 5.0 MHz
Position update rate 35 kHz

Environmental

EMC IEC 6100-6-2, IEC 6100-6-4
Operating temperature range -40°C to +105°C
Storage temperature -40°C to +105°C
Relative humidity 98% Non condensing
Shock endurance / functional 100g 6msec saw-tooth per IEC 60068-2-27:2009 40g 11msec saw-tooth per MIL-810G
Vibration functional 7.7grms @ 20 to 2000 Hz per MIL-810G Category 24
Protection IP 40

Mini Rotary Encoder using absolute rotary encoder technology

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OD
- 25 mm (ID - 2.2 mm)
- 35 mm (ID - 11 mm)
- 60 mm (ID - 25 mm)
- 80 mm (ID - 35 mm)
- 100 mm (ID - 48 mm)
- 140 mm (ID - 90 mm)
- 170 mm (ID - 110 mm)
- 247 mm (ID - 171 mm)
Communication
- BiSS
- SSi
Resolution
- 17 bit
- 18 bit
- 19 bit
- 20 bit
- 21 bit
- 22 bit
- 23 bit
BIT
- Enabled
- Disabled
Shaft-turn Counter
- 4,096
- 8,192
- 16,384
- 32,768
Cable Type
- Jacket and shielded cable
- Shielded cable
- Wires only
Cable Size
- 250 mm Flying leads - 30AWG
- 500 mm Flying leads - 30AWG
- 750 mm Flying leads - 30AWG
- 1000 mm Flying leads - 30AWG
- 250 mm Flying leads - 28AWG
- 500 mm Flying leads - 28AWG
- 750 mm Flying leads - 28AWG
- 1000 mm Flying leads - 28AWG
Rotor Type
- End Shaft - Single Screw Rotor
- Hollow Shaft Encoder
Coating
- Parylene
- Standard Conformal